This telecom/networking blank patch panel allows you to customize an installation and mix & match up to 12 different keystone style jack connectors such as Ethernet RJ45 for Category 5e/6, telco RJ11/RJ45, coax and fiber. It is rack mountable with screened port number on each pre-punched mounting slot. (Size: 1U, 1.75 x 19 Inches; Color: Black Finish)